What is a permission group in android?

<permission-group> Members of a group are presented together in the user interface . Note that this element does not declare a permission itself, only a category in which permissions can be placed. See the <permission> element for element for information on declaring permissions and assigning them to groups.

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What is CALL_PHONE permission?

Permission CALL_PHONE belong to dangerous permission group . So if your apps target SDK is 23 or higher and your device is running on Android 6.0 or higher, you must request for CALL_PHONE permission while the app is running. Example : String number = (“tel:” + numTxt.

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